Sperry and Hinckley’s published marching guidebook. In contrast to the Chalker-Pitkin symbiotic relationship of opportunistic parasites, the five true workhorse founders meet a key collaborator; A student at Connecticut’s military academy, Lieutenant Arthur Hinckley finds Sperry and offers to teach the boys proper marching technique. Hinckley and Sperry write and illustrate a marching guide that they will soon…